ZUMWax HIGH Fluoro Nordic/Cross-Country Racing Glide Wax - CHILL Temperature. Environmentally Friendly & Non-Toxic! Medium-hard, extremely highly fluorinated racing wax, formulated specifically for Cross-Country Skis. Wide range of use for common snow and medium temperature (chill) conditions. MAXIMUM water and dirt repellency + EXTREME hold. 50 gram -- Single Bar -- Made in USA. Eco-friendly packaging made from the recycled cardboard. Air temperature Range: -2C to -11C or 28F to 12F / Snow temperature Range: -4C to -12C or 25F to 10F ZUMWax uses powder PTFE (commonly known by the trademark TEFLON) instead of liquid fluoro. PTFE is totally non-toxic, used in frying pans, plumbing tape, pipes, etc.